Portion of a charger



FIG. 1 is a front perspective view of a portion of a charger showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of various regions in the Figures, including the unshaded areas therein, is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a charger, as shown and described. 